The Lezgic languages are relevant to the glottalic theory of Indo-European, because several have undergone the voicing of ejectives that have been postulated but widely derided as improbable in that family. The correspondences have not been well worked out (Rutul is inconsistent in the examples), but a few examples are:

1.
Dagestan
–
The Republic of Dagestan, also spelled Daghestan, is a federal subject of Russia, located in the North Caucasus region. Its capital and largest city is Makhachkala, located at the center of Dagestan on the Caspian Sea. With a population of 2,910,249, Dagestan is very diverse and Russias most heterogeneous republic, with none of its several dozen ethnicities. Largest among these ethnicities are the Avar, Dargin, Kumyk, Lezgian, Laks, Azerbaijani, Tabasaran, ethnic Russians comprise about 3. 6% of Dagestans total population. Russian is the official language and the lingua franca among the ethnicities. Dagestan has been a scene of Islamic insurgency, occasional outbreaks of separatism, according to International Crisis Group, the militant Islamist organization Shariat Jamaat is responsible for much of the violence. The word Dagestan is of Turkish and Persian origin, dağ means mountain in Turkish and -stan is a Persian suffix meaning land. Some areas of Dagestan were known as Albania, Avaria, the name Dagestan referred to Dagestan Oblast during 1860 to 1920, corresponding to the southeastern part of the present-day Republic. It is the southernmost part of Russia, and is bordered on its side by the Caspian Sea. Major rivers include, Sulak River Samur River Terek River Vladas River Ccenter River Dagestan has about 405 kilometers of coast line on the Caspian Sea, most of the Republic is mountainous, with the Greater Caucasus Mountains covering the south. The highest point is the Bazardüzü/Bazardyuzyu peak at 4,470 meters on the border with Azerbaijan, the southernmost point of Russia is located about seven kilometers southwest of the peak. Other important mountains are Diklosmta, Gora Addala Shukgelmezr and Gora Dyultydag, Dagestan is rich in oil, natural gas, coal, and many other minerals. The climate is hot and dry in the summer but the winters are harsh in the mountain areas, Average January temperature, +2 °C Average July temperature, +26 °C Average annual precipitation,250 to 800 mm. Dagestan is administratively divided into forty-one districts and ten cities/towns. The districts are subdivided into nineteen urban-type settlements, and 363 rural okrugs. In the first few centuries AD, Caucasian Albania became a vassal, with the advent of the Sassanian Empire, it became a satrapy within the vast domains of the empire. In later antiquity, it was a few times fought over by the Roman Empire, over the centuries, to a relatively large extent, the peoples within the Dagestan territory converted to Christianity alongside Zoroastrianism. In the 5th century AD, the Samian peregrinations took place from Ukraine to this land, during the Sassanian era, southern Dagestan became a bastion of Iranian culture and civilisation, with its centre at Derbent, and a policy of Persianisation can be traced over many centuries. In 664, the Persians were succeeded in Derbent by the Arabs, by the 15th century, Albanian Christianity had died away, leaving a 10th-century church at Datuna as the sole monument to its existence

2.
Azerbaijan
–
Azerbaijan, officially the Republic of Azerbaijan, is a country in the South Caucasus region, situated at the crossroads of Southwest Asia and Southeastern Europe. It is bound by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west and Iran to the south. The exclave of Nakhchivan is bound by Armenia to the north and east, Iran to the south and west, the Azerbaijan Democratic Republic proclaimed its independence in 1918 and became the first democratic state in the Muslim orient world. The country was incorporated into the Soviet Union in 1920 as the Azerbaijan Soviet Socialist Republic, the modern Republic of Azerbaijan proclaimed its independence on 30 August 1991, prior to the official dissolution of the USSR in December 1991. In September 1991, the Armenian majority of the disputed Nagorno-Karabakh region seceded to form the Nagorno-Karabakh Republic, the region and seven adjacent districts outside it became de facto independent with the end of the Nagorno-Karabakh War in 1994. These regions are recognized as part of Azerbaijan pending a solution to the status of the Nagorno-Karabakh. Azerbaijan is a unitary semi-presidential republic, the country is a member state of the Council of Europe, the OSCE and the NATO Partnership for Peace program. It is one of six independent Turkic states, a member of the Turkic Council. Azerbaijan has diplomatic relations with 158 countries and holds membership in 38 international organizations and it is one of the founding members of GUAM, the Commonwealth of Independent States and the Organization for the Prohibition of Chemical Weapons. Its term of office began on 19 June 2006, Azerbaijan is also a member state of the Non-Aligned Movement, holds observer status in World Trade Organization and is a correspondent at the International Telecommunication Union. The Constitution of Azerbaijan does not declare an official religion and all political forces in the country are secularist. However, the majority of the population are of a Shiite Muslim background, Azerbaijan has a high level of human development which ranks on par with most Eastern European countries. It has a rate of economic development and literacy, as well as a low rate of unemployment. According to the Davos World Economic Forum, Azerbaijans economy has scored 37th place within 138 countries in 2016, Global Competitiveness Index 2015 indicates that Azerbaijan scores highest in its region. ASAN services, established with Presidential Decree, are known for eliminating bribery. ASAN Service has been awarded with United Nations Public Service Award 2015, the ruling party, the New Azerbaijan Party, has been accused of authoritarianism and human rights abuses. The original etymology of name is thought to have its roots in the once-dominant Zoroastrianism. In the Avesta, Frawardin Yasht, there is a mention of âterepâtahe ashaonô fravashîm ýazamaide, the name Atropates itself is the Greek transliteration of an Old Iranian, probably Median, compounded name with the meaning Protected by the Fire or The Land of the Fire

3.
Wayback Machine
–
The Internet Archive launched the Wayback Machine in October 2001. It was set up by Brewster Kahle and Bruce Gilliat, and is maintained with content from Alexa Internet, the service enables users to see archived versions of web pages across time, which the archive calls a three dimensional index. Since 1996, the Wayback Machine has been archiving cached pages of websites onto its large cluster of Linux nodes and it revisits sites every few weeks or months and archives a new version. Sites can also be captured on the fly by visitors who enter the sites URL into a search box, the intent is to capture and archive content that otherwise would be lost whenever a site is changed or closed down. The overall vision of the machines creators is to archive the entire Internet, the name Wayback Machine was chosen as a reference to the WABAC machine, a time-traveling device used by the characters Mr. Peabody and Sherman in The Rocky and Bullwinkle Show, an animated cartoon. These crawlers also respect the robots exclusion standard for websites whose owners opt for them not to appear in search results or be cached, to overcome inconsistencies in partially cached websites, Archive-It. Information had been kept on digital tape for five years, with Kahle occasionally allowing researchers, when the archive reached its fifth anniversary, it was unveiled and opened to the public in a ceremony at the University of California, Berkeley. Snapshots usually become more than six months after they are archived or, in some cases, even later. The frequency of snapshots is variable, so not all tracked website updates are recorded, Sometimes there are intervals of several weeks or years between snapshots. After August 2008 sites had to be listed on the Open Directory in order to be included. As of 2009, the Wayback Machine contained approximately three petabytes of data and was growing at a rate of 100 terabytes each month, the growth rate reported in 2003 was 12 terabytes/month, the data is stored on PetaBox rack systems manufactured by Capricorn Technologies. In 2009, the Internet Archive migrated its customized storage architecture to Sun Open Storage, in 2011 a new, improved version of the Wayback Machine, with an updated interface and fresher index of archived content, was made available for public testing. The index driving the classic Wayback Machine only has a bit of material past 2008. In January 2013, the company announced a ground-breaking milestone of 240 billion URLs, in October 2013, the company announced the Save a Page feature which allows any Internet user to archive the contents of a URL. This became a threat of abuse by the service for hosting malicious binaries, as of December 2014, the Wayback Machine contained almost nine petabytes of data and was growing at a rate of about 20 terabytes each week. Between October 2013 and March 2015 the websites global Alexa rank changed from 162 to 208, in a 2009 case, Netbula, LLC v. Chordiant Software Inc. defendant Chordiant filed a motion to compel Netbula to disable the robots. Netbula objected to the motion on the ground that defendants were asking to alter Netbulas website, in an October 2004 case, Telewizja Polska USA, Inc. v. Echostar Satellite, No.02 C3293,65 Fed. 673, a litigant attempted to use the Wayback Machine archives as a source of admissible evidence, Telewizja Polska is the provider of TVP Polonia and EchoStar operates the Dish Network